Zip-code level microdata from 2011 ACS?

I’m trying to find zipcode level (zcta) data on income & poverty status from the ACS in the most recent year available.

I thought that the 5-year ACS data release for 2011 would have data at the zcta level, but it looks like it only has county-level data on IPUMS. Does anyone know if it’s possible to get zcta level data?

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Microdata at the ZCTA level are not available in the public use versions of the ACS files. Lower levels of geography may be available in the restricted data. To learn more, you’d need to contact a Census Research Data Center. If aggregate data might work for your purposes, you can find such data at the ZCTA level through NHGIS.